move Atmosphere to bevy_light #73980

Job	Run time
ci	5m 38s
typos	9s
build (macos-latest)	27m 35s
toml	7s
miri	25m 21s
check-release-content	33s
build (ubuntu-latest)	12m 11s
check-doc	12m 6s
build (windows-latest)	22m 39s
check-bevy-internal-imports	7s
check-missing-examples-in-docs	39s
check-missing-features-in-docs	36s
markdownlint	1m 28s
check-compiles-no-std-portable-atomic	1m 3s
check-compiles-no-std-examples	55s
check-compiles-no-std	1m 10s
check-compiles	10m 1s
build-wasm-atomics	1m 45s
msrv	2m 21s
build-wasm	1m 55s
	2h 8m 19s

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